Add support for properties without an object manager

This allows for simpler client code when daemons expose a single object.

BUG=none
TEST=unit tests, verified property changed callbacks are received w/o object
manager.

Change-Id: I751b57175906071dbc9e8a8ddb56bdd269eee320
Reviewed-on: https://chromium-review.googlesource.com/370301
Commit-Ready: Christopher Book <cbook@chromium.org>
Tested-by: Christopher Book <cbook@chromium.org>
Reviewed-by: Christopher Book <cbook@chromium.org>
3 files changed
tree: ad22bc15bd901b3e73c1d01c4638edc840325656
  1. chromeos-dbus-bindings/
  2. Android.mk
  3. MODULE_LICENSE_BSD
  4. NOTICE